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  1. #1
    Join Date
    Jan 2007
    Posts
    5

    Default MIG in tight corners

    I recently just welded my first roll cage. I am using a MM210 with the M25 gun. The way I wanted the cage to fit in the chassis and the way the gun would've liked it to fit, didn't completely agree in some spots. Since then I have been researching a smaller or at least more flexible gun option.

    The material I am welding is 1.75x0.095 DOM tubing, the floor plates are 12 gauge steel and the gussets are 18 gauge. I have been using 0.030 wire with C25.

    I have been looking at the tweco mini gun and it looks like it could be a good option, but I can't really tell how small it is and I haven't been able to find any true dimensions on any of the websites.

    I have also looked at the tapered contact tips. What nozzle should I use with them. I am currently using the 1/2" orifice flush nozzle. It looks like the tapered tips are a little longer than the standard tips.

    Any help or opinions would be appreciated. I'm a little new to the picking my own equipment side of welding. Thanks.

    Tim

  2. #2

    Default

    Why don't you use Flux-core wire and take the nozzle off the gun? also make sure the tip has no contact with the metal. just a thought.

  3. #3
    Join Date
    Jan 2007
    Posts
    5

    Default

    I would like to think of that as a last resort. I would rather try and find a way to still use solid wire and gas for all the of the cage if I can. If there is no other way, then i would consider flux core.

  4. #4
    Join Date
    Jan 2006
    Location
    Albuquerque, NM
    Posts
    1,788

    Default

    If you are going to need to do a good amount of this tight stuff then you may want to look on ebay for a M-10 gun, I have seen new ones go for about $60-$65. It hooks right up, I have one for my MM210 and use it when I need a smaller gun.
    Regards, George

    Hobart Handler 210 w/DP3035 - Great 240V small Mig
    Hobart Handler 140 - Great 120V Mig
    Hobart Handler EZ125 - IMO the best 120V Flux Core only machine

    Miller Dynasty 200DX with cooler of my design, works for me
    Miller Spectrum 375 - Nice Cutter

  5. #5
    Join Date
    Dec 2006
    Location
    Wichita, Kansas
    Posts
    107

    Default

    Quote Originally Posted by TIP Jrud View Post
    ...I have also looked at the tapered contact tips. What nozzle should I use with them. ...
    Check 3rd page of the MM251 brochure - consumables for the M25 gun. It shows 2 sizes of tapered nozzle, 3/8" and 11/32", with part numbers.
    Tom Veatch
    Wichita, KS

  6. #6
    Join Date
    Jan 2007
    Posts
    5

    Default

    How much smaller is the M10 gun versus the M25?

    Thanks Tom, I couldn't find the tapered nozzles when I was browsing through consumables for the 210 for some reason. Maybe I missed them.

  7. #7
    Join Date
    Jun 2006
    Location
    Calgary, Alberta
    Posts
    377

    Default

    I can't offer advice on which gun fits your application, but in my experiences the tapered tips (pipeliners) and nozzles will get almost any job done. I've used them in plenty of tight fit-ups, and they work pretty good. One thing I've had to do is turn up the gas flow and move a little slower in the real tight places, so adequate shielding was present. I use a Bernard QT-2 45 gun, usually with .035" for this application. I've used smaller set-ups, but not with the tapered tips and nozzles.
    Jonny

    Dynasty 300DX
    Esab PCM 1000

  8. #8
    Join Date
    Jan 2006
    Location
    Albuquerque, NM
    Posts
    1,788

    Default

    Quote Originally Posted by TIP Jrud View Post
    How much smaller is the M10 gun versus the M25? <snip>
    Heres a picture, in the picture it looks like there is not as much difference is there accually is, IMO. There is also a weight difference in both the gun and the line.
    Attached Images Attached Images
    Last edited by Sundown; 01-31-2007 at 08:52 AM.
    Regards, George

    Hobart Handler 210 w/DP3035 - Great 240V small Mig
    Hobart Handler 140 - Great 120V Mig
    Hobart Handler EZ125 - IMO the best 120V Flux Core only machine

    Miller Dynasty 200DX with cooler of my design, works for me
    Miller Spectrum 375 - Nice Cutter

  9. #9
    Join Date
    Feb 2007
    Location
    now in Orlando!!!!
    Posts
    559

    Default

    M-10, your wrist will appreciate it as much as you do...hope this helps, Paul, also consider putting the trigger on top, this can be to advantage sometime, it also uses different muscles/tendons to operate so you might not get as tired/sore.....

  10. #10
    Join Date
    Aug 2006
    Location
    N.C.
    Posts
    362

    Default

    Quote Originally Posted by Extreme Steel View Post
    Why don't you use Flux-core wire and take the nozzle off the gun? also make sure the tip has no contact with the metal. just a thought.
    F.C. wont pass teck inspection....I know FatFab did one.....in my book it will work fine.....I however don't write the book used by the inspectors.....have you looked at a flex neck? http://www.htpweld.com/products/accessories/a1.html TIP Jrud you do know about dropping the cage through the floor to get at the tops right?....had to ask as this is where most run into problems
    Good Luck,
    Mike
    George W. Bush was saving your butt whether you liked it or not!
    Fear is temporary, regret is forever
    HH210 with SG

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